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harkovskaia [24]
3 years ago
8

Solve for the missing angle

Mathematics
1 answer:
Kobotan [32]3 years ago
7 0
The missing angle is also 111 since they’re opposite interior angles (and are equal).
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For what value of x is sin x = cos 19°, where 0°< x < 90°? 38°
mrs_skeptik [129]
Sin x = cos (90-x)
90-x = 19
x = 71
The answer is 71 degrees.
5 0
3 years ago
Big Mack buys meat for the family reunion cookout. He needs to buy 11 packagesof meat. A package of hotdogs costs $2.59, and a p
IgorC [24]

Hello!

Let's write some important information contained in the exercise:

• hotdogs: $2.59 (,x,)

,

• hamburgers: $5.29 (,y,)

He needs 11 packages. Let's write it:

• x + y = 11

He spent a total of $39.29. We can write it as:

• 2.59x + 5.29y = 39.29

Now, let's solve these two equations as a linear system:

\begin{cases}x+y=11\text{ equation A} \\ 2.59x+5.29y=39.29\text{ equation B}\end{cases}

First, let's isolate x in equation A:

\begin{gathered} x+y=11 \\ x=11-y \end{gathered}

Now, we will replace where's x by 11-y in equation B:

\begin{gathered} 2.59x+5.29y=39.29 \\ 2.59(11-y)+5.29y=39.29 \\ 28.49-2.59y+5.29y=39.29 \\ -2.59y+5.29y=39.29-28.49 \\ 2.7y=10.8 \\ y=\frac{10.8}{2.7} \\  \\ y=4 \end{gathered}

As I called the hamburgers as 'y', we know that he bought 4 packages of hamburgers.

5 0
1 year ago
I need help with number 2 please.
zalisa [80]
The answer is 73.3333333 ounces<span>
</span>
5 0
3 years ago
Read 2 more answers
A basketball player made 52 out of 100 attempted free throws. What percent of free throws was made?
arlik [135]

Answer:

52%

Step-by-step explanation:

52 out of 100 is the same as .52, when you put that as a percentage, you get 52%

7 0
2 years ago
Read 2 more answers
If w=the weight of a trout, which algebraic expression represents the phrase below?
ivann1987 [24]

Answer:

A

Step-by-step explanation:

The only option with multiplication represented is A.

6 0
3 years ago
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